20120642620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77387087}}^1$

素因数の和:77387109

約数の個数: 24

約数和(自身を含む): 45503607744

約数和(自身を除く): 25382965124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77387087, 154774174, 309548348, 386935435, 773870870, 1006032131, 1547741740, 2012064262, 4024128524, 5030160655, 10060321310, 20120642620]

約数ペア:

[(1, 20120642620), (2, 10060321310), (4, 5030160655), (5, 4024128524), (10, 2012064262), (13, 1547741740), (20, 1006032131), (26, 773870870), (52, 386935435), (65, 309548348), (130, 154774174), (260, 77387087)]